update dt_article_attribute_value set end_time = dateadd(mi,30,start_time)
create table tb(dt datetime)
insert into tb values(\'2006-10-10\')
insert into tb values(\'2006-10-11\')
insert into tb values(\'2006-10-12\')
insert into tb values(\'2006-10-13\')
insert into tb values(\'2006-10-14\')
insert into tb values(\'2006-10-15\')
go--searchselect dateadd(yy,1,dt) dt from tb
--updateupdate tb set dt = dateadd(yy,1,dt)
select * from tb
drop table tb
/*dt ------------------------------------------------------ 2007-10-10 00:00:00.0002007-10-11 00:00:00.0002007-10-12 00:00:00.0002007-10-13 00:00:00.0002007-10-14 00:00:00.0002007-10-15 00:00:00.000（所影响的行数为 6 行）*/